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ALARM DEVICE MFG

Overview
  • Total Patents
    15
About

ALARM DEVICE MFG has a total of 15 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets electrical machinery and energy, control and measurement are CQR SECURITY COMPONENTS LTD, MAECKER ELAN SCHALTELEMENTE and MULTISAFE AG.

Patent filings in countries

World map showing ALARM DEVICE MFGs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1
#3 Germany 1
#4 France 1
#5 Italy 1

Patent filings per year

Chart showing ALARM DEVICE MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Gerhard 4
#2 Guthart L 4
#3 Verger Nathan 4
#4 Guthart Leo A 2
#5 Ioco Frank 1
#6 Jack Malin 1
#7 Eskildsen Kenneth 1

Latest patents

Publication Filing date Title
US5557106A Rodent discriminator lens
US5576977A Filter for eliminating the effects of fluorescent lights on microwave transceivers
US4288867A Area intrusion adjustable detector unit
US4075588A Switching apparatus
US3940725A Switching apparatus
US3860207A Article for carrying and concealably supporting a container
CA972788A Magnetically operable switching apparatus
US3748610A Pulse relay apparatus
US3794991A Alarm system with timed exit circuit means
US3710134A Power supply for alarm system
US3781767A Foil block device
US3273090A Magnetically operated switch